1212969201 has 8 divisors (see below), whose sum is σ = 1643805504. Its totient is φ = 795389520.

The previous prime is 1212969181. The next prime is 1212969203. The reversal of 1212969201 is 1029692121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1212969201 - 2⁶ = 1212969137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1212969203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3313941 + ... + 3314306.

It is an arithmetic number, because the mean of its divisors is an integer number (205475688).

Almost surely, 2^1212969201 is an apocalyptic number.

It is an amenable number.

1212969201 is a deficient number, since it is larger than the sum of its proper divisors (430836303).

1212969201 is an equidigital number, since it uses as much as digits as its factorization.

1212969201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628311.

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 1212969201 is about 34827.7073750197. The cubic root of 1212969201 is about 1066.4731466093.

The spelling of 1212969201 in words is "one billion, two hundred twelve million, nine hundred sixty-nine thousand, two hundred one".